TK-2102 RUBBERIZED AIR/ VAPOR/
WATER BARRIER AND TRANSITION STRIPS FOR A COMPLETE SYSTEM TO PROTECT THE EXTERIOR BUILDING ENVELOPE.

Detail Design Sketches for Proper Application

   Design Sketches for Block Building with a Brick Veneer
   Design Sketches for Brick Veneer on a Steel Stud Back Up Wall

For a comprehensive system to protect any exterior envelope (to meet ASTM E 783):

   TK-2102 Rubberized Air Barrier sprayed onto masonry, poured, precast walls or dens-glas along with a self-adhering cold applied composite sheet membrane (transition strips) around windows and doors and over control joints (transition joints located at beams, columns, changes in substrate material, and similar joints or connections) and pipe and conduit extrusions through the wall make up a comprehensive system to protect any exterior envelope.  The transition strips are installed after TK-2102 is sprayed to the wall, and cured.  TK-2102 serves as the primer for the transition strips for good adhesion.  Expanding foam can be used to fill conduit and pipe extrusions through the wall.

Products:

-TK-2102 Rubberized Air Barrier spray-on  membrane

-Approved Self Adhering cold applied composite sheet membrane transition strip material:
   - Perm-A-Barrier Wall Flashing  manufactured by WR Grace Construction Products
   - AIR SHIELD  Self-Adhering Air Barrier manufactured by W R MEADOWS Inc.

Instructions:
   Instructions for the spray or roll application of TK-2102 Rubberized Air Barrier.

Material:
   Material is ready for use, requires no mixing unless signs of separation are observed.  It is unlawful to further reduce with non-exempt solvents

Wall preparation:
   A clean, dry, surface is required. New concrete should be allowed to cure until the surface appears dry. Surface should be frost-free. Concrete block laid and walls poured late in the year should be allowed to gain sufficient strength for good adhesion. Existing concrete surfaces must be thoroughly cleaned prior to application.
All masonry block and poured concrete voids, form tie holes, cracks, honeycombed areas should be filled and repaired.  Mortar smears, dirt and form release agents that will affect adhesion should be removed. TK-2102 should be applied directly to the clean dry concrete surface.

Application:
   A typical sprayer is 45:1 airless with a .035 - .051 tip.  Brush and/or roller will also work. 

Coverage:
   One coat is sufficient at 40 - 45 sq. ft. per gallon.  35 - 40 wet mil film is desired. This will give a dry film of 12 - 15 mils.  Any area that is thin can be recoated.  A wet mil gauge is preferred to maintain the proper coverage rate, or monitoring the square feet that  is covered and the gallons used.
                                                     
Limitations:
   TK-2102 can be applied at 0^o F. to 100^o F., however, it is recommended that TK-2102 be applied above 40^o F. to assure the substrate is frost free and dry, not frozen.

Cleanup of Equipment:
   Use TK-00 Solvent.  For sprayer, pump the solvent through the spray equipment to remove residue of materials, which can clog the hose and wand assembly.

Precautions:
   TK-2102 contains aromatic hydrocarbon. Keep away from heat and flame.  Prevent build-up of vapors.  Use only with adequate ventilation.  Do not breathe vapor or spray mist. If you experience eye watering, headaches or dizziness or if air monitoring demonstrates vapor/mist levels are above applicable limits, wear an appropriate, properly fitted respirator (NIOSH/MSHA approved) during and after application. Any person using a respirator must be trained on proper respirator use.  Close container after each use. Avoid contact with eyes, skin, and clothing. Wash after handling. KEEP OUT OF REACH OF CHILDREN. Do not allow vapors to penetrate into foodstuffs.  TK-2101 or TK-2102 in its cured state is not toxic.

Application of self-adhering cold applied composite sheet membrane (transition strips)   
   After TK-2102 Rubberized Air Barrier is applied and cured the self adhering transition strips can be applied to all transition joints at beams, columns, changes in substrate material, and similar joints or connections, and control joints.  6-inch strips (3 " on each side of junctures is adequate).  Membrane Primer will not be needed.  Follow the instructions of the manufacture.

Approved Self Adhering cold applied composite sheet membrane transition strip material:
  - Perm-A-Barrier Wall Flashing  manufactured by WR Grace Construction Products
  - AIR SHIELD  Self-Adhering Air Barrier manufactured by W R MEADOWS Inc.



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